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Showing results 1 to 25 of 27
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Search: Posts Made By: bobmcgov
Forum: General Discussion (sailing related) 4 Weeks Ago
Replies: 38
Views: 1,860
Posted By bobmcgov
Re: Rudder Failures

Yes. Impulse energy is a big deal, and the more static the system, the higher the likelihood of breaking limits being exceeded. You can try to design for worst-case dynamic loading scenarios, but I...
Forum: Boat Review and Purchase Forum 10-21-2014
Replies: 50
Views: 2,575
Posted By bobmcgov
Re: Help the "new generation" pick a cruising boat

Even quite a large boat is smaller than a typical efficiency apartment. If someone snores, everyone's gonna know about it. If someone's using the head or makin' whoopie in the forepeak, everyone's...
Forum: Gear & Maintenance 10-10-2014
Replies: 1
Views: 475
Posted By bobmcgov
Re: San Juan 23

Try Stephen Jensen in Seattle:

http://www.sjsailboats.com/

He took over the San Juan parts inventory after Gene Adams managed it for decades. I suspect you are needing gudgeons for your...
Forum: General Discussion (sailing related) 08-12-2014
Replies: 22
Views: 1,206
Posted By bobmcgov
Re: How to build a holding tank

John: we faced the same issue when searching for water tanks for our Albin Ballad. The boat came with only ~14g of water tankage, and we are planning to sail where fresh water is hard to obtain. And...
Forum: Gear & Maintenance 07-09-2014
Replies: 11
Views: 729
Posted By bobmcgov
Re: Anemometer for a wind voyeur....

Most home weather stations -- esp. wireless -- offer fairly low resolution. For instance, our Zephyr Instruments (a re-labeled older design) only polls every 45 seconds or minute. Seen fractally,...
Forum: Boat Review and Purchase Forum 06-11-2014
Replies: 74
Views: 4,023
Posted By bobmcgov
Re: Advice For Good Boat To Learn On

The O'Day might be a fine choice, but budget in at least a new (or good/used) mainsail for it. The number of tears & their location (leech) indicate badly damaged fabric. Probably a combination of...
Forum: Boat Review and Purchase Forum 06-06-2014
Replies: 74
Views: 4,023
Posted By bobmcgov
Re: Advice For Good Boat To Learn On

Nancy, another common boat in your size range, price range, and region is the famous Shark 24 (http://www.shark24.org/). It's a quirky little boat, likes a blow, might need some light air help. But...
Forum: Boat Review and Purchase Forum 06-04-2014
Replies: 74
Views: 4,023
Posted By bobmcgov
Re: Advice For Good Boat To Learn On

Up in that region, the Sirius 21/22 (http://sailboatdata.com/viewrecord.asp?class_id=170) is a common boat and very much admired. Easily trailed (swing keel version), good sailing qualities, and...
Forum: Gear & Maintenance 04-12-2014
Replies: 272
Views: 21,662
Posted By bobmcgov
Re: 1989 Hunter 40 - A million questions.

Best. Gear. Ever.

Honestly. Our nylon genoa/drifter/Code0 was the best addition we made to the SJ21 -- added a full knot to our average speed to and from Catalina, got the boat moving in early...
Forum: Gear & Maintenance 03-18-2014
Replies: 18
Views: 1,189
Posted By bobmcgov
Re: What size winches?

Single speed #7s or #8s should do just fine if your leads are fair; if they aren't, bigger winches won't make life much better, as chafe & hardware strain will still be there. For even quite large...
Forum: General Discussion (sailing related) 03-04-2014
Replies: 62
Views: 3,981
Posted By bobmcgov
Re: Alternative to Solar

Here's an inherent difficulty of tidal generators: you know how a tide chart is basically a sine wave, showing min/max peaks every six hours? There's another sinusoidal graph about 90 degrees out of...
Forum: General Discussion (sailing related) 03-02-2014
Replies: 62
Views: 3,981
Posted By bobmcgov
Re: Alternative to Solar

Once again, we're stuck with the physics of the thing. Lets imagine a 3kt tidal current at anchorage (that's quite a lot) and pretend our collapsible water wheel is 3' in diameter and perfectly...
Forum: General Discussion (sailing related) 03-01-2014
Replies: 62
Views: 3,981
Posted By bobmcgov
Re: Alternative to Solar

That's another RE idea that pops up from time to time: human-powered electrical generation. It's not too bad in some ways, but its primary value is illustrating (in ways we can comprehend) just how...
Forum: General Discussion (sailing related) 03-01-2014
Replies: 62
Views: 3,981
Posted By bobmcgov
Re: Alternative to Solar

Good points.:) Those are the tradeoffs in play here. Matching the mass & stroke of the box's pendulum to the local movement of the boat attachment point would go a long way toward efficiency, and a...
Forum: General Discussion (sailing related) 02-28-2014
Replies: 62
Views: 3,981
Posted By bobmcgov
Re: Alternative to Solar

Nope. Teh box does not care how heavy or light the item it is attached to is. The controlling momentum resides in the weight (piston, pendulum, whatever) inside the magic box. What matters is...
Forum: Gear & Maintenance 02-28-2014
Replies: 15
Views: 627
Posted By bobmcgov
Re: Genny sleeve

BTW, we made a snug-fitting cover similar to the ATN sleeve out of a microfiber polyester shower curtain and 28' continuous plastic zipper. Clip the spi halyard to the grommet at the top, start the...
Forum: General Discussion (sailing related) 02-27-2014
Replies: 62
Views: 3,981
Posted By bobmcgov
Re: Alternative to Solar

I would really like to see some numbers coming from the little box with wires. There are lots of issues with accelo-generators that have quashed this idea for, oh, the past 150 years.;) The basic...
Forum: Gear & Maintenance 02-23-2014
Replies: 87
Views: 4,747
Posted By bobmcgov
Re: composting toilet-should we do it

Nah, it wuz Dean who worried about spillage. In my personal experience, any near-death experience (like having your boat wholly inverted) tends to leave one sanguine about earthy chores like wiping...
Forum: Gear & Maintenance 11-05-2013
Replies: 18
Views: 991
Posted By bobmcgov
Re: Resawing 1 x 4 mahogany

Hi, David. Bandsaws are great for resawing, since they remove less stock than a typical TS blade, are relatively safe (no kickback), and can get by with less HP than you need driving a 10" circular...
Forum: Gear & Maintenance 10-10-2013
Replies: 15
Views: 1,134
Posted By bobmcgov
Re: Volvo MD6A weird issue!

Whoawhoawhoa, horsey.:o A few important things about the MD6A. The original starter on this engine is also a full-time magneto generator. Most MD6A also have an alternator, so yes -- you have two...
Forum: Gear & Maintenance 10-10-2013
Replies: 38
Views: 1,675
Posted By bobmcgov
Re: Hiring Contractors - Are component/part prices typically higher than online?

I just bought $1000 in materials for a cabinet job today. Not on that invoice (and I do get my wood 10% off retail) is the $30 in gas; five hours driving, selecting, and loading the wood; a portion...
Forum: Gear & Maintenance 08-18-2013
Replies: 6
Views: 505
Posted By bobmcgov
Re: Battery-powered Trolling motor

Most of your saltwater digital trollers have potted electronics in the head, so theoretically waterproof. Probably a few switches wouldn't like being submerged, tho they would dry out eventually....
Forum: Boat Review and Purchase Forum 07-10-2013
Replies: 19
Views: 3,181
Posted By bobmcgov
Re: Looking for a stable 15-18' sailboat

Oh dear no. :p Tho the creators deny it strenuously, the Chrysler Bucc18 is derivative of the venerable Flying Dutchman. As is the Flying Scot. The FS is much, much more stable than the Bucc. You'd...
Forum: Boat Review and Purchase Forum 07-05-2013
Replies: 17
Views: 1,313
Posted By bobmcgov
Re: Complete Newbie...No Idea What I'm Doing...

Latitude 38 Boat of the Month: Ranger 33 (http://www.latitude38.com/features/bomRanger33.htm)

Outstanding boats. Sweet personality, surprisingly nimble, decent build quality. Expect leaks and...
Forum: Boat Review and Purchase Forum 06-25-2013
Replies: 34
Views: 2,874
Posted By bobmcgov
Re: Transport of boat over land

Errrr... there's an ocean there, isn't there? Unless the boat is already decommissioned for shipping, and possibly on its own trailer, it's nearly ALWAYS going to cost more to truck a boat than to...
Showing results 1 to 25 of 27

 

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